// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package service

type Bytes = []byte

func AppendChunk(b []byte, chunks ...Bytes) []byte {
	for _, chunk := range chunks {
		b = append(b, chunk...)
	}
	return b
}

func Split(b []byte, limit int) []Bytes {
	chunks := make([]Bytes, 0, (len(b)/limit)+1)

	var chunk Bytes
	for len(b) >= limit {
		chunk, b = b[:limit], b[limit:]
		chunks = append(chunks, chunk)
	}
	if len(b) > 0 {
		chunks = append(chunks, b[:])
	}

	return chunks
}
